18 Case study of World Trade Centre Bahrain 1


Bahrain, an island country near the west coast of the Persian Gulf, has a tropical desert climate. World Trade Centre Bahrain, costing 35 million BP (more than 90 million U.S. dollars), is the first skyscraper in the world to use wind energy as a source of electricity. The building consists of two traditional Arabic “wind towers” high-rise buildings, such as a comparative winged sea sail. The hurricane unfolds, strong and powerful, located in the blue shore of the Arabian Gulf.

 World Trade Centre Bahrain is a 240-meter-high, twin-tower structure building., whose main body is oval in shape. Three horizontally supported wind turbines with a diameter of 29 meters are installed between the two buildings. The sail-like building forms the convection of the sea breeze before the two buildings, which accelerates the wind speed. In addition, the wind turbines are expected to support 11%-15% of the electricity needed for the building. The installation cost of these three wind turbines is 1 million BP, which provides about 1300 MWh of electricity each year, equivalent to 2 million metric tons of coal or 6 million bpd of electricity, for 300 ordinary families use each year. With the continuous depletion of global non-renewable resources, the energy crisis suddenly ignited the alarm bell for the survival of mankind. World Trade Centre Bahrain undoubtedly played an exemplary role in the world green building development with the successful case of the wind power skyscraper.

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World Trade Centre Bahrain has an amazing design which is the wind turbines. The generator windmill has a rotor speed of 38 revolutions per minute at full load and is powered by a series of gearboxes placed in the engine compartment to run the generator at 1,500 revolutions per minute. The optimal power generation design is approximately 225 kW at a wind speed of 15-20 m/s. Moreover, the fan rotor has a diameter of 29 meters and is made of 50 layers of glass fibre. When the wind is strong or needs to be transferred to a standstill state, the top of the fins will be pushed outwards, increasing the total torque of the rotor and achieving the purpose of deceleration. To protect the building from the natural disasters. The maximum wind speed that the wind turbine can withstand is 80 meters per second, which means it can withstand Class 4 hurricanes.   There are some really difficult challenges when this building is building. The first challenge is the design of wind turbine impel...
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